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get all history page from webarchive
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<?php | |
function usage() { | |
echo "Usage: php webarchive.php <target_url> # http:// https:// only ".PHP_EOL; | |
echo "ex) php webarchive.php http://app.awm.jp".PHP_EOL; | |
} | |
if ($argc != 2) { | |
usage(); | |
exit (1); | |
} | |
$targetURL = $argv[1]; | |
$permit_protocols = ["http://", "https://"]; | |
$permit_protocol = null; | |
foreach ($permit_protocols as $proto) { | |
if (strncmp($targetURL, $proto, strlen($proto)) === 0){ | |
$permit_protocol = $proto; | |
break; | |
} | |
} | |
if (is_null($permit_protocol)) { | |
usage(); | |
exit (1); | |
} | |
$calenderURL = "https://web.archive.org/__wb/sparkline?output=json&url=" . urlencode($targetURL); | |
//$pagedir = "web"; | |
$pagedir = substr($targetURL, strlen($permit_protocol)); | |
$pagedir = urlencode($pagedir); | |
$calenderFile = "$pagedir/sparkline.json"; | |
if (! is_dir($pagedir)) { | |
if (! mkdir($pagedir, 0755)) { | |
echo "Can't directory $pagedir".PHP_EOL; | |
exit (1); | |
} | |
} | |
if (! is_file($calenderFile)) { | |
echo $calenderURL.PHP_EOL; | |
$calenderJSON = file_get_contents($calenderURL); | |
file_put_contents($calenderFile, $calenderJSON); | |
} | |
echo $calenderFile.PHP_EOL; | |
$calenderJSON = file_get_contents($calenderFile); | |
$calenderInfo = json_decode($calenderJSON); | |
$first_ts = $calenderInfo->first_ts; | |
$last_ts = $calenderInfo->last_ts; | |
echo "Range: {$first_ts} => {$last_ts}".PHP_EOL; | |
$years = (array) $calenderInfo->years; | |
ksort($years); | |
foreach ($years as $year => $months) { | |
foreach ($months as $month => $count) { | |
if ($count <= 0) { continue; } // skip | |
$month++; // one origin | |
$ret = fetch_month_archive($year, $month, $count); | |
if (! $ret) { | |
var_dump($ret); | |
echo "failed: fetch_month_archive".PHP_EOL; | |
exit (1); | |
} | |
} | |
} | |
function fetch_month_archive($year, $month, $count) { | |
echo "Month:{$month}: count:{$count}".PHP_EOL; | |
return fetch_month_archive_rec($year, $month, 1, 31, $count); | |
} | |
// Binary search | |
function fetch_month_archive_rec($year, $month, $day_start, $day_end, $count) { | |
if ($day_start >= $day_end) { | |
echo "day_start:$day_start >= day_end:$day_end"; | |
return 0; | |
} | |
echo "DayRange:$day_start-$day_end count:{$count}".PHP_EOL; | |
$day = round(($day_start + $day_end) / 2); | |
$foundURL = fetch_redirect($year, $month, $day); | |
if ($n = preg_match('/web\/(\d{14})/', $foundURL, $matches) === 0) { | |
return false; | |
} | |
$datekey = $matches[1]; | |
if ($n = preg_match('/web\/(\d{4})(\d{2})(\d{2})/', $foundURL, $matches) === 0) { | |
return false; | |
} | |
list($dummy, $foundYear, $foundMonth, $foundDay) = $matches; | |
if (($year !== $foundYear) || ($month !== $foundMonth)) { | |
echo "outrange found: $year=>$foundYear, $month=>$foundMonth".PHP_EOL; | |
} | |
if (($foundDay < $day_start) || ($day_end < $foundDay)) { | |
echo "outrange found: $foundDay < $day_start || $day_end < $foundDay".PHP_EOL; | |
return 0; | |
} | |
fetch_page($foundURL, $datekey); | |
$count--; | |
if ($count == 0) { | |
return true; | |
} | |
$leftDay = min($day, $foundDay); | |
$rightDay = max($day, $foundDay); | |
// start_dat - $leftDay - $rightDay - $end_day | |
$left_found = fetch_month_archive_rec($year, $month, $day_start, $leftDay-1, $count); | |
if (is_bool($left_found)) { | |
return $left_found; | |
} | |
$count -= $left_found; | |
$right_found = fetch_month_archive_rec($year, $month, $rightDay+1, $day_end, $count); | |
$count -= $right_found; | |
if (is_bool($right_found)) { | |
return $right_found; | |
} | |
return 1 + $left_found + $right_found; | |
} | |
function fetch_redirect($year, $month, $day) { | |
global $targetURL, $pagedir; | |
$ymd = sprintf("%02d%02d%02d", $year, $month, $day); | |
$datekey = $ymd."000000"; | |
$pagefile = "$pagedir/$datekey"; | |
if (is_file($pagefile)) { | |
echo "File: $pagefile".PHP_EOL; | |
return file_get_contents($pagefile); | |
} | |
$url = "https://web.archive.org/web/$datekey/$targetURL"; | |
echo "URL: $url".PHP_EOL; | |
$ch = curl_init(); | |
curl_setopt($ch, CURLOPT_URL, $url); | |
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); // mute curl print | |
curl_setopt($ch, CURLOPT_HEADER, true); | |
$ret = curl_exec($ch); | |
if (! $ret) { | |
echo "Error: $url".PHP_EOL; | |
return false; | |
} | |
$info = curl_getinfo ($ch); | |
curl_close($ch); | |
$redirect_url = $info["redirect_url"]; | |
file_put_contents($pagefile, $redirect_url); | |
return $redirect_url; | |
} | |
function fetch_page($url, $datekey) { | |
global $pagedir; | |
echo "Url: $url".PHP_EOL; | |
$pagefile = "$pagedir/$datekey"; | |
if (is_file($pagefile)) { | |
echo "File: $pagefile".PHP_EOL; | |
return file_get_contents($pagefile); | |
} | |
echo $url.PHP_EOL; | |
$ch = curl_init(); | |
curl_setopt($ch, CURLOPT_URL, $url); | |
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); // mute curl print | |
curl_setopt($ch, CURLOPT_HEADER, false); | |
$html = curl_exec($ch); | |
if (! $html) { | |
echo "Error: $url".PHP_EOL; | |
return false; | |
} | |
curl_close($ch); | |
file_put_contents($pagefile, $html); | |
return $html; | |
} |
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